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The title compound was prepared as a white solid according to the procedure of Example 20, except substituting 4-bromo-2-thiophenecarboxylic acid (104 mg, 0.5 mmol) for 4,5-dibromo-2-thiophenecarboxylic acid and substituting 1,1-dimethylethyl {2-amino-2-[2-(trifluoromethyl)phenyl]ethyl}carbamate (152 mg, 0.5 mmol) [prepared according to the procedure of Preparation 16] for 1,1-dimethylethyl (3-amino-4-phenylbutyl)carbamate: LC-MS (ES) m/z 395 (M+H)+, 1H NMR (400 MHz, MeOD) δ ppm 3.36-3.39 (m, 1H) 3.46-3.53 (m, 1H) 3.98 (s, 3H) 5.86-5.91 (m, 1H) 6.48 (s, 1H) 7.51 (d, J=2.02 Hz, 1H) 7.60 (s, 1H) 7.76 (s, 1H) 7.83 (d, J=8.08 Hz, 2H) 7.94 (s, 1H) 8.05 (s, 1H).

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